Portable microwave appliance



FIG. 1 is a front perspective view of a portable microwave applianceshowing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a back elevational view thereof.

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

CLAIM The ornamental design for a portable microwave appliance, as shownand described.